Update CI configuration to use GHC 8.{4,6,8}

.appveyor.yml

@@ -1,15 +1,21 @@
+environment:
+  matrix:
+    - GHC_VERSION: 8.4.4
+    - GHC_VERSION: 8.6.5
+    - GHC_VERSION: 8.8.1
+
 install:
   # Using '-y' and 'refreshenv' as a workaround to:
   # https://github.com/haskell/cabal/issues/3687
-  - choco install -y ghc --version 8.4.4
+  - choco install -y ghc --version $(GHC_VERSION)
   - refreshenv
   # See http://help.appveyor.com/discussions/problems/6312-curl-command-not-found#comment_42195491
   # NB: Do this after refreshenv, otherwise it will be clobbered!
   - set PATH=C:\Program Files\Git\mingw64\bin;%PATH%;C:\msys64\usr\bin
-  - curl -o z3.zip -L https://github.com/Z3Prover/z3/releases/download/z3-4.5.0/z3-4.5.0-x64-win.zip
+  - curl -o z3.zip -L https://github.com/Z3Prover/z3/releases/download/z3-4.7.1/z3-4.7.1-x64-win.zip
   - 7z x -bd z3.zip
-  - cp z3-4.5.0-x64-win/bin/z3.exe .
+  - cp z3-4.7.1-x64-win/bin/z3.exe .
 
 build_script:
-  - cabal new-update
+  - cabal v2-update
-  - cabal new-build
+  - cabal v2-build

.travis.yml

@@ -10,12 +10,15 @@ cache:
 
 matrix:
   include:
-    - env: CABALVER="2.4" GHCVER="8.6.3"
+    - env: CABALVER="2.4" GHCVER="8.4.4" GHCSHORTVER="84"
-      compiler: ": #GHC 8.6.3"
+      compiler: ": #GHC 8.4.4"
-      addons: {apt: {packages: [cabal-install-2.4,ghc-8.6.3], sources: [hvr-ghc]}}
+      addons: {apt: {packages: [cabal-install-2.4,ghc-8.4.4], sources: [hvr-ghc]}}
-#    - os: osx
+    - env: CABALVER="3.0" GHCVER="8.6.5" GHCSHORTVER="86"
-#      env: CABALVER="2.4" GHCVER="8.6.3"
+      compiler: ": #GHC 8.6.5"
-#      compiler: ": #GHC 8.6.3"
+      addons: {apt: {packages: [cabal-install-3.0,ghc-8.6.5], sources: [hvr-ghc]}}
+    - env: CABALVER="3.0" GHCVER="8.8.1" GHCSHORTVER="88"
+      compiler: ": #GHC 8.8.1"
+      addons: {apt: {packages: [cabal-install-3.0,ghc-8.8.1], sources: [hvr-ghc]}}
 
 before_install:
   - if [[ $TRAVIS_OS_NAME == 'linux' ]];
@@ -27,16 +30,10 @@ before_install:
         mv z3 $HOME/bin/z3;
         z3 --version;
     fi
-  - if [[ $TRAVIS_OS_NAME == 'osx' ]];
-    then
-        brew update;
-        brew install ghc cabal-install z3;
-        export PATH=$HOME/.cabal/bin:$PATH;
-    fi
   - env
 
 script:
-  - cp cabal.GHC86.config cabal.project.freeze
+  - cp cabal.${GHCSHORTVER}.config cabal.project.freeze
   - cabal update
   - bash cry build
   - bash cry test

cabal.GHC84.config

@@ -72,7 +72,7 @@ constraints: FloatingHex ==0.4,
              monad-par ==0.3.4.8,
              monad-par -chaselev -newgeneric,
              monad-par-extras ==0.3.3,
-             monadLib ==3.9,
+             monadLib ==3.10,
              mwc-random ==0.14.0.0,
              old-locale ==1.0.0.7,
              optparse-applicative ==0.15.0.0,

cabal.GHC86.config

@@ -69,7 +69,7 @@ constraints: FloatingHex ==0.4,
              monad-par ==0.3.4.8,
              monad-par -chaselev -newgeneric,
              monad-par-extras ==0.3.3,
-             monadLib ==3.9,
+             monadLib ==3.10,
              mwc-random ==0.14.0.0,
              old-locale ==1.0.0.7,
              optparse-applicative ==0.15.0.0,

cabal.GHC88.config

@@ -0,0 +1,150 @@
+constraints: any.FloatingHex ==0.4,
+             any.Glob ==0.10.0,
+             any.GraphSCC ==1.0.4,
+             GraphSCC -use-maps,
+             any.HUnit ==1.6.0.0,
+             any.Only ==0.1,
+             any.QuickCheck ==2.13.2,
+             QuickCheck +templatehaskell,
+             any.abstract-deque ==0.3,
+             abstract-deque -usecas,
+             any.abstract-par ==0.3.3,
+             any.aeson ==1.4.5.0,
+             aeson -bytestring-builder -cffi -developer -fast,
+             any.alex ==3.2.4,
+             alex +small_base,
+             any.ansi-terminal ==0.10.1,
+             ansi-terminal -example,
+             any.ansi-wl-pprint ==0.6.9,
+             ansi-wl-pprint -example,
+             any.array ==0.5.4.0,
+             any.async ==2.2.2,
+             async -bench,
+             any.attoparsec ==0.13.2.3,
+             attoparsec -developer,
+             any.base ==4.13.0.0,
+             any.base-compat ==0.11.0,
+             any.base-compat-batteries ==0.11.0,
+             any.base-orphans ==0.8.1,
+             any.binary ==0.8.7.0,
+             any.binary-orphans ==1.0.1,
+             any.blaze-builder ==0.4.1.0,
+             any.blaze-html ==0.9.1.2,
+             any.blaze-markup ==0.8.2.3,
+             any.bytestring ==0.10.9.0,
+             any.bytestring-builder ==0.10.8.2.0,
+             bytestring-builder +bytestring_has_builder,
+             any.call-stack ==0.2.0,
+             any.cassava ==0.5.2.0,
+             cassava +bytestring--lt-0_10_4,
+             any.cereal ==0.5.8.1,
+             cereal -bytestring-builder,
+             any.code-page ==0.2,
+             any.colour ==2.3.5,
+             any.containers ==0.6.2.1,
+             any.crackNum ==2.3,
+             any.criterion ==1.5.6.1,
+             criterion -embed-data-files -fast,
+             any.criterion-measurement ==0.1.2.0,
+             criterion-measurement -fast,
+             any.cryptohash-sha1 ==0.11.100.1,
+             cryptol +relocatable -static,
+             cryptol-test-runner -static,
+             any.data-default-class ==0.1.2.0,
+             any.deepseq ==1.4.4.0,
+             any.dense-linear-algebra ==0.1.0.0,
+             any.directory ==1.3.3.2,
+             any.dlist ==0.8.0.7,
+             any.exceptions ==0.10.3,
+             any.extensible-exceptions ==0.1.1.4,
+             any.filepath ==1.4.2.1,
+             any.generic-deriving ==1.13,
+             generic-deriving +base-4-9,
+             any.ghc ==8.8.1,
+             any.ghc-boot ==8.8.1,
+             any.ghc-boot-th ==8.8.1,
+             any.ghc-heap ==8.8.1,
+             any.ghc-prim ==0.5.3,
+             any.ghci ==8.8.1,
+             any.gitrev ==1.3.1,
+             any.happy ==1.19.12,
+             happy +small_base,
+             any.hashable ==1.3.0.0,
+             hashable -examples +integer-gmp +sse2 -sse41,
+             any.haskeline ==0.7.5.0,
+             any.heredoc ==0.2.0.0,
+             any.hostname ==1.0,
+             any.hpc ==0.6.0.3,
+             any.hsc2hs ==0.68.6,
+             hsc2hs -in-ghc-tree,
+             any.integer-gmp ==1.0.2.0,
+             any.integer-logarithms ==1.0.3,
+             integer-logarithms -check-bounds +integer-gmp,
+             any.js-flot ==0.8.3,
+             any.js-jquery ==3.3.1,
+             any.math-functions ==0.3.3.0,
+             math-functions +system-erf +system-expm1,
+             any.microstache ==1.0.1.1,
+             any.monad-control ==1.0.2.3,
+             any.monad-par ==0.3.4.8,
+             monad-par -chaselev -newgeneric,
+             any.monad-par-extras ==0.3.3,
+             any.monadLib ==3.10,
+             any.mtl ==2.2.2,
+             any.mwc-random ==0.14.0.0,
+             any.old-locale ==1.0.0.7,
+             any.optparse-applicative ==0.15.1.0,
+             any.panic ==0.4.0.1,
+             any.parallel ==3.2.2.0,
+             any.parsec ==3.1.14.0,
+             any.pretty ==1.1.3.6,
+             any.primitive ==0.7.0.0,
+             any.process ==1.6.5.1,
+             any.random ==1.1,
+             any.regex-base ==0.94.0.0,
+             any.regex-posix ==0.96.0.0,
+             regex-posix -_regex-posix-clib,
+             any.rts ==1.0,
+             any.sbv ==8.5,
+             sbv -skiphlinttester,
+             any.scientific ==0.3.6.2,
+             scientific -bytestring-builder -integer-simple,
+             any.simple-get-opt ==0.3,
+             any.simple-smt ==0.9.4,
+             any.splitmix ==0.0.3,
+             splitmix -optimised-mixer +random,
+             any.statistics ==0.15.1.1,
+             any.stm ==2.5.0.0,
+             any.strict ==0.3.2,
+             strict +split-base,
+             any.syb ==0.7.1,
+             any.tagged ==0.8.6,
+             tagged +deepseq +transformers,
+             any.template-haskell ==2.15.0.0,
+             any.terminfo ==0.4.1.4,
+             any.test-framework ==0.8.2.0,
+             any.test-framework-hunit ==0.3.0.2,
+             test-framework-hunit -base3 +base4,
+             any.test-lib ==0.2,
+             any.text ==1.2.4.0,
+             any.tf-random ==0.5,
+             any.th-abstraction ==0.3.1.0,
+             any.time ==1.9.3,
+             any.time-compat ==1.9.2.2,
+             time-compat -old-locale,
+             any.transformers ==0.5.6.2,
+             any.transformers-base ==0.4.5.2,
+             transformers-base +orphaninstances,
+             any.transformers-compat ==0.6.5,
+             transformers-compat -five -five-three -four +generic-deriving +mtl -three -two,
+             any.unix ==2.7.2.2,
+             any.unordered-containers ==0.2.10.0,
+             unordered-containers -debug,
+             any.uuid-types ==1.0.3,
+             any.vector ==0.12.0.3,
+             vector +boundschecks -internalchecks -unsafechecks -wall,
+             any.vector-algorithms ==0.8.0.1,
+             vector-algorithms +bench +boundschecks -internalchecks -llvm +properties -unsafechecks,
+             any.vector-binary-instances ==0.2.5.1,
+             any.vector-th-unbox ==0.2.1.7,
+             any.xml ==1.3.14